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mm/damon/core: implement damon_has_probe_weight()

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DAMON monitors only data attributes when probe weights are set.  However,
the function for detecting it is intentionally returning false always. 
The intention was to make changes for complete support of the mode in a
safe and incremental way.  Now all the building blocks are made.  Complete
the mode detection function so that the mode can really start working.

Link: https://lore.kernel.org/20260710134651.18084-16-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SJ Park 2026-07-10 06:46:44 -07:00 committed by Andrew Morton
parent db697312bb
commit 8d5e0ebac9
1 changed files with 6 additions and 0 deletions
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6
mm/damon/core.c
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@ -211,6 +211,12 @@ static struct damon_probe *damon_nth_probe(int n, struct damon_ctx *ctx)
static bool damon_has_probe_weights(struct damon_ctx *c)
{
struct damon_probe *p;
damon_for_each_probe(p, c) {
if (p->weight)
return true;
}
return false;
}